<script setup>
import {getCategoryFilterAPI,getSubCategoryAPI} from '@/api/user.js'
import {ref,watch} from 'vue'

import {useRoute} from 'vue-router'
import GoodsItem from '@/views/Home/components/GoodsItem.vue';

const route = useRoute()
const categoryFilter = ref([])
const getCategoryFilter=async ()=>{
  const res = await getCategoryFilterAPI(route.params.id)
  // console.log(res.data.result)
  categoryFilter.value = res.data.result
}
getCategoryFilter()
// 一进入页面首先是默认值
const reqDate=ref({
  categoryId: route.params.id,
  page: 1,
  pageSize: 20,
  sortField: 'publishTime'
})
const goodList=ref()
const getSubCategory=async ()=>{
  const res = await getSubCategoryAPI(reqDate)
  // console.log(res.data.result)
  goodList.value=res.data.result.items
}
getSubCategory()
const tabChange=()=>{
  reqDate.value.page=1
  getSubCategory()
}
const disabled=ref(false)
const load=async ()=>{
  reqDate.value.page++
  const res = await getSubCategoryAPI(reqDate)
  goodList.value = [...goodList.value, ...res.data.result.items];
  // 加载完毕 停止监听
  if(res.data.result.items.length===0){
    disabled.value=true
  }
}

</script>


<template>
  <div class="container ">
    <!-- 面包屑 -->
    <div class="bread-container">
      <el-breadcrumb separator=">">
        <el-breadcrumb-item :to="{ path: '/' }">首页</el-breadcrumb-item>
        <el-breadcrumb-item :to="{ path: `/category/${categoryFilter.parentId}` }">{{categoryFilter.parentName}}</el-breadcrumb-item>
        <el-breadcrumb-item>{{categoryFilter.name}}</el-breadcrumb-item>
      </el-breadcrumb>
    </div>
    <!--  categoryId: 1005000 ,
     page: 1,
     pageSize: 20,
     sortField: 'publishTime' | 'orderNum' | 'evaluateNum' -->
    <div class="sub-container">
      <el-tabs   v-model="reqDate.sortField" @tab-change="tabChange">
        <el-tab-pane label="最新商品" name="publishTime" ></el-tab-pane>
        <el-tab-pane label="最高人气" name="orderNum" ></el-tab-pane>
        <el-tab-pane label="评论最多" name="evaluateNum"></el-tab-pane>
      </el-tabs>
      <div class="body " :infinite-scroll-disabled="disabled" v-infinite-scroll="load" style="overflow: auto">
        <GoodsItem v-for="item in goodList" :key="item.id" :good="item"></GoodsItem>
      </div>
    </div>
  </div>

</template>



<style lang="scss" scoped>
.bread-container {
  padding: 25px 0;
  color: #666;
}

.sub-container {
  padding: 20px 10px;
  background-color: #fff;

  .body {
    display: flex;
    flex-wrap: wrap;
    padding: 0 10px;
  }

  .goods-item {
    display: block;
    width: 220px;
    margin-right: 20px;
    padding: 20px 30px;
    text-align: center;

    img {
      width: 160px;
      height: 160px;
    }

    p {
      padding-top: 10px;
    }

    .name {
      font-size: 16px;
    }

    .desc {
      color: #999;
      height: 29px;
    }

    .price {
      color: $priceColor;
      font-size: 20px;
    }
  }

  .pagination-container {
    margin-top: 20px;
    display: flex;
    justify-content: center;
  }


}
// .infinite-list {
//   height: 300px;
//   padding: 0;
//   margin: 0;
//   list-style: none;
// }
// .infinite-list .infinite-list-item {
//   display: flex;
//   align-items: center;
//   justify-content: center;
//   height: 50px;
//   background: var(--el-color-primary-light-9);
//   margin: 10px;
//   color: var(--el-color-primary);
// }
// .infinite-list .infinite-list-item + .list-item {
//   margin-top: 10px;
// }
</style>